Haas - powered past Corretja
HAAS ON FIRE
Germany's Tommy Haas beat Alex Corretja of Spain 7-6 6-3 to move into the men's singles quarter-finals in Sydney.
Max Mirnyi of Belarus eased past Mariano Zabeleta of Argentina 7-6 6-2 to make the last eight.
Roger Federer of Switzerland blew away Mikael Tillstrom of Sweden 6-1 6-2.
Finally, Karim Alami of Morocco produced a determined display to see off Fabrice Santoro of France 6-2 5-7 6-4.